Automotive electrical systems
More informationAt Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.
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Audi Q5 8R 2.0 TDI CJCA Diesel Engine Alternator Generator 03G903016G
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Alternator Mercedes W166 W213 C292 OM651 Generator 14V 250A A0009060903
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Starter Mercedes W177 M282 Petrol Engine Starter Motor A2829062400
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Audi A4 B9 Wireless Charger Centre Console Phone Charging Module 8W0035502B
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BMW 5 6 Series E60 E63 E64 Body Control Module ECU Control Unit 6957140
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BMW F06 Gran Coupe Footwell Light Module Control Unit ECU FRM III 9345377
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BMW 3 5 Series E60 E90 E91 N52 325i 525i ECU Kit DME CAS3 Key 7567178 Automatic
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BMW Mini Cooper One R57 High PL3 SPEG DC/DC H5 Fuse Distribution Box 3455534
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BMW X3 F25 CIC Sat Nav Professional Infotainment Radio Player Head Unit 9289256
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Audi A4 B8 A5 8F 2.0 TDI Diesel Engine Alternator Generator 04L903017D
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Fuse Box Mercedes Sprinter W901 W902 W903 W904 Relay Control Unit A0005400950
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Mercedes-Benz C M Class W163 W203 Motorola Telephone Control Module A2308204226
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Audi A4 B7 Window Antenna Amplifier Module 8E5035225D
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Xenon Control Unit BMW X5 E70 E90 E91 LCI Adaptive Headlight 7189311
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Mercedes SLK R171 Roof Module Convertible Folding Top Control Unit A1719000000
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Whelen Euro-1 Vehicle Siren Amplifier Booster Module 200W 16A 01-086A664-01
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BMW 5 6 E60 E63 LCI Body Control Module ECU Control Unit KBM Basis 6957528
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Mercedes S204 Module Control Unit Trunk Lid Rear Tailgate Lift A2048702826
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Battery Cable BMW F45 F46 Negative Lead IBS Wiring Harness 9381606
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PDC Module BMW E39 Parking Assist Distance Control Module PDC 8385232
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Opel Insignia A 2.0 CDTI Diesel Engine Alternator Generator 14V 100A 13502583
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BMW E81 E87 LCI E90 E91 N43 Petrol Engine Control Unit ECU DME 7578032 Manual
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Mercedes GLC X253 220d 170HP 651.921 Engine Unit ECU A6519006401 Automatic
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VW Golf 5 V 1K Fuse Box Control Unit Relay Power Distribution Module 1K2941824
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On Board Navigation BMW E60 E61 E90 E91 Display Monitor Screen 6,5" 6962424
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Mercedes GLA X156 Comunication Module Telematic Bluetooth Control A2229001821
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BMW 1 3 Series E82 E90 E92 Switch Cluster Cruise Control Stalk Unit 6965263
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BMW E84 20dX N47 177HP ECU Control Unit Kit DDE 8512498 Automatic Transmission
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VW Volkswagen Golf Mk5 V 1K Air Module Control Unit ECU 1K0909605T
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BMW E90 E91 E92 Professional CCC DVD Navigation System Controller 9148016
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BMW F20 F21 F22 F30 F31 F32 F36 Front Electronic Module Control Unit FEM 9292656
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Audi A3 8V Air Module Control Sensor SRS System ECU Unit 5Q0959655N
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ECU Kit Mini One R55 R56 R57 N12 95HP DME 7589971 + CAS3 + Key Manual
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Renault Trafic III Vauxhall Vivaro B Positive Battery Cable Lead Wire 240809677R
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Ford Transit MK7 Airbag Module ECU Control Unit Air Bag 6C1T14B056AE
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BMW Mini Countryman R60 Footwell Light Module High EKS ECU PL3 FRM3R 3457528
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Camera Control Module BMW F30 F32 F82 Top Rear View Unit 6994554
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BMW F40 F45 X1 F48 Mini F55 F56 F60 Alternator Generator Denso 120A 8634124
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Fuse Box Mercedes W212 Front Relay Control Unit Electric Module SAM A2129000006
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Display Screen BMW F30 F31 F32 F33 On-board Navigation Monitor 8,8" 9387453
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BMW E46 330i M54 231HP Engine Control Unit Module ECU DME 7509942 Manual
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BMW E60 M57 Engine Starter Motor 7794952 0001115041
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Audi A6 C6 Comfort Body Module Fuse Relay Box Control Unit 4F0907289J
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BMW 5 7 Series E60 E65 E66 Sunroof Sliding Roof Window Drive Unit Motor
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Mercedes W204 W205 W212 A207 X253 Engine Starter Motor Petrol Denso A2749061600
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BMW E81 E87 E90 E91 E92 Radio CD Player Professional 9150109
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Mercedes W176 W246 Emergency Call Switch Roof Wiring Cable Loom A2465402710
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BMW E87 LCI Light Module NSW LCM Footwell Module PL2 FRM II 9166707
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VW Volkswagen Golf MK6 Steering Wheel Column Control Module 1K0953549CF
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Mercedes SLK R171 Control Unit Module DC UHI MOST A2118701885
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BMW X3 X5 Series E83 E53 Telematics Control Unit Module 9129850
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BMW E36 Electrical Fuse Relay Box Covering Panel Trim Socket Petrol 1735752
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Mercedes ML W164 Front Right Control Unit Module Door A1648203885
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Mini Cooper R55 R56 R57 R58 R59 R60 R61 Starter Motor 7616698
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Mercedes ML W166 GLE C292 Relay Current Power Limiter Fuse Box A1669067701
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Mercedes ML W164 SAM Module Passenger Side Control Unit A1645402501
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BMW F10 F12 F13 M5 M6 S63N 560HP ECU Control Unit Module DDE 7633959 Twin-Clutch
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Volkswagen Tiguan 5N Air Module Control Unit Module 1T0880201T
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Radio Professional BMW F20 F21 F30 F31 CD Player DAB Bluetooth 9381305
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PDC Loom Cables BMW E81 E87N LCI Front Bumper Wiring Set 9128570
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Mercedes W212 Air Bag Control Unit ECU AirBag Sensor Module A2129011105
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Audi A3 8V 1.6 TDI CRKB 110HP Engine ECU Kit Ignition + Key 04L907309E Manual
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Mercedes S212 Roof Antenna Estate Shark Trim Obsidian Black - 197 A2128270028
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Rain Sensor Ford Fiesta MK7 Mondeo MK4 Windscreen Light Module 8A6T17D547AB
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Audi S3 8Y Diagnostic Interface Data Bus Gateway Control Unit 5QS907530A
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BMW Mini One R55 R56 N12 1.4 95HP ECU Kit DME CAS 3 Key 7600020
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Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118702885
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Audi A7 4G8 Tailgate Lift Boot Lid Control Unit Module Trunk 4G8959107Q
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Key components of vehicle electrical systems
Original electrical parts for popular car brands
A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.
How does a car's electrical system work?
A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:
- Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.
Key technical parameters of electrical systems
Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.
Why is it worth taking care of your car's electrical system?
Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:
- Problems starting the engine.
- Failure of safety systems such as ABS or airbags.
- Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.
Symptoms of electrical system disruptions
In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, wires |
How to choose the right parts for your electrical system?
When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:
- Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
- Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
- Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.
Compatibility and fit
The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.
Why choose used electrical parts?
Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?
- Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
- Ecology – You support recycling and reduce waste by choosing used car parts .
- Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.
How to take care of your car's electrical system?
To ensure your electrical system operates reliably for years, it is worth remembering a few rules:
- Regularly check the battery condition and charge level.
- Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
- Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.
Step-by-step control procedures
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.
FAQ - Frequently asked questions about electrical systems in cars
| Question | Answer |
|---|---|
| What is a car electrical system? | This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia. |
| What is an alternator for in a car? | The alternator generates electrical current when the engine is running and charges the battery. |
| What is the difference between a starter and an alternator? | The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving. |
| How to check if the battery is working? | Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking. |
| What are the most common symptoms of car electrical failure? | Problems starting the engine, flashing warning lights, power windows not working or dimming lights. |
| Do electrical parts from one model fit another? | Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility. |
| How often should you check your electrical system? | It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip. |
Summary: Automotive electrical systems at Global Parts Automotive Store
Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .